body {
	font-family: Verdana;
	font-size: 14px;
	margin: 0;
	color: gray;
}
/*container  */
#container {
	margin: 30px auto;
	width: 900px;
}
/* header */
#header {
	height: 100px;
	margin-bottom: 5px;
	border-radius:10px;
	border-color:#f0f0f0;
	border-style: groove;
}

#header-left {
	float: left;
	width: 493px;
	height: 100px;
}

#header-right {
	float: right;
	width: 307px;
	text-align: right;
	height: 100px;
	margin-right: 20px;
	
}

/*mainContent  */
#mainContent {
	height: 500px;
	margin-bottom: 5px;
}
/*sidebar  */
#sidebar {
	float: left;
	width: 160px;
	height: 475px;
	padding:20px;
	line-height:20px;
	border-radius:10px;
	border-color:#f0f0f0;
	border-style: groove;
}

/*content  */
#content {
	float: right;
	width: 645px;
	height: 475px;
	padding:20px;
	line-height:20px;
	border-radius:10px;
	border-color:#f0f0f0;
	border-style: ridge;

}

/* footer */
#footer {
	margin-top: 20px;
	padding: 15px 0px 0px 0px;
	text-align: center;
	position: absolute;
	width: 900px;
	background-color: #f0f0f0;
	font-size: 85%;
	border-radius:10px;
	color: #999999;
	
}
/*隐藏列表样式  */

 li{
	list-style-type: none;
}
